[R] 'which' statement for recode?

[Jeff Newmiller]

?factor

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Sent from my phone. Please excuse my brevity.

On January 22, 2015 8:01:25 AM PST, Charles Stangor <cstangor at gmail.com> wrote:
>Hi,
>
>Is there a way to easily convert the list of course terms into
>sequential
>integers in the dataframe (see code below)?
>
>eg. "199801" = 1; "199808"=2
>
>I know I can use recode but shouldn't "which" work?
>
>Thanks in advance!
>
>
>sc = data.frame(c("200208", "200701", "201201"))
>names(sc) = c("TERM")
>
>TermList = c(NA, "199801", "199808", "199901", "199908", "200001",
>"200008", "200101", "200108",
>            "200201", "200208", "200301", "200308", "200401", "200408",
>"200501", "200508",
>            "200601", "200608", "200701", "200708", "200801", "200808",
>"200901", "200908",
>            "201001", "201008", "201101", "201108", "201201", "201308",
>"201401", "201408")
>
>which(TermList==sc$TERM)
>
>	[[alternative HTML version deleted]]
>
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